# Greatest Common Factor of 139 and 143

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 139, 143 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 139 and 143 is 1.

GCF(139,143) = 1

## GCF of 139 and 143

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and ### GCF of 139 and 143 is 1

Prime Factorization of 139

 139 139 1

Prime factors of 139 are 139. Prime factorization of 139 in exponential form is:

139 = 1391

Prime Factorization of 143

 11 143 13 13 1

Prime factors of 143 are 11.Prime factorization of 143 in exponential form is:

143 = 111×131

∴ So by taking common prime factors GCF of 139 and 143 is 1

### Greatest Common Factor of 139 and 143 by matching factors method

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Greatest Common Factor

We found the factors and prime factorization of 139 and 143. The biggest common factor number is the GCF number.
So the greatest common factor 139 and 143 is 1.

Also check out the Least Common Multiple of 139 and 143

### Properties of GCF 139 and 143

(i) The GCF of 139 and 143 is associative

GCF of 139 and 143 = GCF of 143 and 139

### Frequently Asked Questions on GCF of 139 and 143

1. What is the GCF of 139 and 143?

Answer: GCF of 139 and 143 is 1.

2. What are the Factors of 139?

Answer: Factors of 139 are 1, 139. There are 2 integers that are factors of 139. The greatest factor of 139 is 139.

3. What are the Factors of 143?

Answer: Factors of 143 are 1, 11, 13, 143. There are 4 integers that are factors of 143. The greatest factor of 143 is 143.

4. How to Find the GCF of 139 and 143?

Greatest Common Factor of 139 and 143 = 1

Step 1: Find the prime factorization of 139

139 = 139

Step 2: Find the prime factorization of 143

143 = 11 x 13

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 139 and 143 is 1